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ROHM Semiconductor - DC/DC converter IC

Numéro de référence BM1P062FJ
Description DC/DC converter IC
Fabricant ROHM Semiconductor 
Logo ROHM Semiconductor 





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BM1P062FJ fiche technique
Datasheet
AC/DC Drivers
PWM Control type
DC/DC converter IC
BM1P061FJ / BM1P062FJ / BM1P101FJ / BM1P102FJ
General
The PWM type DC/DC converter (BM1Pxxx) for
AC/DC provide an optimum system for all products
that include an electrical outlet.
BM1Pxxx supports both isolated and non-isolated
devices, enabling simpler design of various types of
low-power electrical converters.
BM1Pxxx built in a HV starter circuit that tolerates
650V, it contributes to low-power consumption.
With switching MOSFET and current detection
resistors as external devices, a higher degree of
design freedom is achieved. Since current mode
control is utilized, current is restricted in each cycle
and excellent performance is demonstrated in
bandwidth and transient response.
At light load, the switching frequency is reduced and
high efficiency is achieved.
A frequency hopping function is also on chip, which
contributes to low EMI.
BM1Pxxx has rich protection.
Basic specifications
„ Operating Power Supply Voltage Range:
VCC 8.9V to 26.0V
VH
to 600V
„ Operating Current: Normal Mode0.60mA (Typ.)
Burst Mode0.35mA(Typ.)
„ Oscillation Frequency: BM1P06xFJ65kHz(Typ.)
BM1P10xFJ100kHz(Typ.)
„ Operating Temperature:
- 40deg. to +85deg.
Features
„ PWM frequency : 65kHz, 100kHz
„ PWM current mode method
„ Frequency Hopping function
„ Burst operation / Frequency reduction function
when load is light
„ Built-in 650V start circuit
„ VCC pin under voltage protection
„ VCC pin over voltage protection
„ CS pin Open protection
„ CS pin Leading-Edge-Blanking function
„ Per-cycle over current protection circuit
„ Current protection with AC voltage compensation
„ Soft start
„ Secondary Over current protection circuit
Package
SOP-J8
4.90mm×3.90mm ×1.65mm
(Typ.) (Typ.) (TYP.)
Pitch 1.27mm
TYP.
Applications
AC adapters and household appliances (vacuum
cleaners, humidifiers, air cleaners, air conditioners, IH
cooking heaters, rice cookers, etc.)
Application circuit
Line-Up
BM1P101FJ
BM1P102FJ
BM1P061FJ
BM1P062FJ
Frequency
100kHz
100kHz
65kHz
65kHz
VCCOVP
Auto Restart
Latch
Auto Restart
Latch
Figure 1Application circuit
Product structureSilicon monolithic integrated circuit
.www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
This product is not designed protection against radioactive rays
1/18
TSZ02201-0F2F0A200090-1-2
22.NOV.2012.Rev.003

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